SoLogicOperationElement Class Reference
[Elements]

Stores the current logical pixel operation for rendering. More...

#include <Inventor/elements/SoLogicOperationElement.h>

Inheritance diagram for SoLogicOperationElement:

List of all members.

Public Types
enum	LogicOperation {   NOOP = SbEnums::LOGIC_OP_NOOP,   CLEAR = SbEnums::LOGIC_OP_CLEAR,   SET = SbEnums::LOGIC_OP_SET,   COPY = SbEnums::LOGIC_OP_COPY,   COPY_INVERTED = SbEnums::LOGIC_OP_COPY_INVERTED,   INVERT = SbEnums::LOGIC_OP_INVERT,   AND = SbEnums::LOGIC_OP_AND,   NAND = SbEnums::LOGIC_OP_NAND,   AND_REVERSE = SbEnums::LOGIC_OP_AND_REVERSE,   AND_INVERTED = SbEnums::LOGIC_OP_AND_INVERTED,   OR = SbEnums::LOGIC_OP_OR,   NOR = SbEnums::LOGIC_OP_NOR,   XOR = SbEnums::LOGIC_OP_XOR,   OR_REVERSE = SbEnums::LOGIC_OP_OR_REVERSE,   OR_INVERTED = SbEnums::LOGIC_OP_OR_INVERTED,   EQUIV = SbEnums::LOGIC_OP_EQUIV }
Public Member Functions
virtual void	print (FILE *fp) const
virtual void	push (SoState *state)
virtual void	pop (SoState *state, const SoElement *prevTopElement)
Static Public Member Functions
static SoType	getClassTypeId ()
static int	getClassStackIndex ()
static void	set (SoState *state, bool enable, LogicOperation operation)
static void	get (SoState *state, bool &enabled, LogicOperation &operation)

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Detailed Description

Stores the current logical pixel operation for rendering.

This element stores the current logical pixel operation for rendering.

A Logical Operation is a Per-Sample Processing operation applied between the Fragment's color values and color values in the Framebuffer being rendered to that correspond to that particular fragment color. Logical operations are boolean operations performed on the bit pattern that represents the colors.

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Member Enumeration Documentation

enum SoLogicOperationElement::LogicOperation

Logic Operation as defined by OpenGL's logicOp enum.

Enumerator:

NOOP
CLEAR
SET
COPY
COPY_INVERTED
INVERT
AND
NAND
AND_REVERSE
AND_INVERTED
OR
NOR
XOR
OR_REVERSE
OR_INVERTED
EQUIV

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Member Function Documentation

static void SoLogicOperationElement::get	(	SoState *	state,
		bool &	enabled,
		LogicOperation &	operation
	)			[static]

get the current logic operation, and wether logic operations are enabled.

Parameters:

	state	the state from which to retrieve the element instance.
	enabled	Whether logic operations are enabled
	operation	which operation is applied

static int SoLogicOperationElement::getClassStackIndex

(

)

[static]

Returns the stack id for this element.

Reimplemented from SoElement.

static SoType SoLogicOperationElement::getClassTypeId

(

)

[static]

Returns the type identifier for this class.

Reimplemented from SoElement.

virtual void SoLogicOperationElement::pop	(	SoState *	state,
		const SoElement *	prevTopElement
	)			[virtual]

Override pop() method to keep GL up to date.

virtual void SoLogicOperationElement::print

(

FILE *

fp

)

const [virtual]

Prints element (for debugging).

Reimplemented from SoElement.

virtual void SoLogicOperationElement::push

(

SoState *

state

)

[virtual]

Override push() method to keep GL up to date.

Reimplemented from SoElement.

static void SoLogicOperationElement::set	(	SoState *	state,
		bool	enable,
		LogicOperation	operation
	)			[static]

set the current logic operation

Parameters:

	state	the state from which to retrieve the element instance.
	enable	Whether to enable or not logic operations
	operation	which operation to apply

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The documentation for this class was generated from the following file:

• Inventor/elements/SoLogicOperationElement.h